Cron Expression Parser

Parse cron expressions into plain English and calculate the next 10 execution dates. Free cron tester.

About this Cron Expression Parser tool

CheckHub translates any cron expression into plain English and computes the next 10 firing times so you can verify your schedule before deploying.

How to use the Cron Expression Parser

  1. Step 1. Paste a cron string.
  2. Step 2. Read the natural-language description and upcoming run times.

Frequently asked questions

What syntax does this support?
Standard 5-field cron plus the optional 6th seconds field. Supports ranges, lists, steps, and aliases (@daily, @hourly).

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